html,
body {
  position: relative;
  height: 100%;
}
*{
    padding: 0;
    margin: 0;
}
body {
  background: #eee;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #000;
  margin: 0;
  padding: 0;
}
.tit {
    text-align: center;
    font-weight: bold;
    font-size: 30px;
    margin: 30px auto;
}
.lb {
    width: 1200px;
    margin: 40px auto;
   
}
.lb .cont {
    height: 200px;
    overflow: hidden;
    margin: 40px auto;
}

.lb .cont .swiper {
  width: 100%;
  height: 100%;
}

.lb .cont .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}
.lb .cont .swiper-slide .item {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.lb .cont .swiper-slide .pic {
    width: 100%;
    height: 80%;
}

.lb .cont .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.btnbox {
    width: 1200px;
    margin: 40px auto;
}
.btnbox .btn {
    border-radius: 18px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    width: 180px;
    border: 0 ;
    cursor:pointer;
    background: red;
    color: #fff;
    margin-right: 30px;
}
.btnbox .active {
    background: #e70;
    cursor: pointer;
}
.container_small_tip {
    position: relative;
    width: 100%;
    padding: 0 30px;
    line-height: 40px;
    height: 40px;
    cursor: pointer;
}
.container_small_tip .content_small_tip {
    width: 80%;
    line-height: 40px;
    height: 40px;
    overflow: hidden;
    position:absolute;
    z-index: 2;
    padding: 0 30px;
    box-sizing: border-box;
}
.container_small_tip .content_small_tip2 {
    text-overflow: ellipsis;
    white-space: nowrap;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
menu,
footer,
header {
    margin: 0;
    padding: 0;
    border: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    font: normal 14px/24px "Microsoft YaHei"
}
*{
    box-sizing: border-box;
}
table {
    border-collapse: collapse;
    border-spacing: 0
}


fieldset,
img {
    border: 0
}

ol,
ul {
    list-style: none
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #ee7700
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.ellipsis{white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
.ellipsis2 { overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2;}
.ellipsis3 { overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3;} 
.no-margin{ margin-right: 0 !important;  }

.no-margin {
    margin-right: 0 !important;
}

.clear {
    clear: both;
}

.none {
    display: none;
}

.mt8 {
    margin-top: 8px;
}

.btn {
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    -o-border-radius: 4px;
    border-radius: 4px;
}
.btn-check:focus + .btn, .btn:focus{
    border: 0;
    outline: 0;
    box-shadow: 0 0 0 0;
}
.btn-red {
    background: #E5505F;
    color: #FFFFFF;
}
.btn-red:hover {
    background: #e0394a;
     color: #FFFFFF;
}

.clear {
    clear: both;
}

.clearfix {
    -webkit-zoom: 1;
    -moz-zoom: 1;
    -ms-zoom: 1;
    -o-zoom: 1;
    zoom: 1;
    *zoom: 1;
}

.clearfix:after {
    display: block;
    content: "";
    height: 0;
    clear: both;
    overflow: hidden;
    visibility: hidden;
}
input:focus-visible {
    border: 0;
    outline: none;
}

.tit {

    font-size: 20px;
    font-weight: bold;
    text-align: center;

}
.lb1 {
    width: 1200px;
   margin: 50px auto;
   display: flex;
   justify-content: flex-start;
   align-items: center;
   height: 200px;
   position: relative;
}

.lb1 .swiper-slide a {
    width: auto;
    height: 200px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 400;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    margin-right: 0;
    cursor: pointer;
    display: flex;
    overflow: hidden;
    cursor: pointer;
    display: block;
    text-align: center;
    width: 100%;
}
.lb1 .swiper-slide a img {
    width: auto;
    height: 100%;
    display: block;
}



.lb1 .swiper-slide {
    width: auto;

}

.lb1 .swiper-button-prev {
    left: -39px;
    width: 34px;
    height: 34px;
    background: url(../image/biaoqian-arrowL.png) center no-repeat;
    border-radius: 2px;
    top: calc(50% - 17px);
}
.lb1 .swiper-button-prev:hover {
    background: url(../image/biaoqian-arrowL-sel.png) center no-repeat;
}
.lb1 .swiper-button-next {
    right: -39px;
    width: 34px;
    height: 34px;
    background: url(../image/biaoqian-arrowR.png) center no-repeat;
    border-radius: 2px;
    top: calc(50% - 17px);
}
.lb1 .swiper-button-next:hover {
    background: url(../image/biaoqian-arrowR-sel.png) center no-repeat;
}

.none {
    display: none;
}
